The EXOSAT Observatory

The European Space Agency's X-ray Observatory, EXOSAT, was operational from May
1983 to April 1986. During that time, EXOSAT made 1780 observations of a wide
variety of objects, including active galactic nuclei, stellar coronae,
cataclysmic variables, white dwarfs, X-ray binaries, clusters of galaxies, and
supernova remnants.